Question

What is the standard form of (5 + 2i)(5 – 2i)?

Answer 1

25 - 4i^2
25 + 4 = 29

Answer 2

What is the product of (1 + i)(2 + i)?

Answer 3

multiply each element

2+ i + 2i + i^2
2 + 3i - 1
1 + 3i

Answer 4

Simplify the expression 5^3 × 5^8.

Answer 5

in multiplication you sum the powers

5^(3+8)= 5^11

Answer 6

Find the difference: (6y^3 + 17y − 3) − (4y^3 − 11y + 9)

Answer 7

Direct summation

2y^3 + 28 y - 12

Answer 8

I don't think , that helps, I am answering not you.

Answer 9

Find the sum: (3x^2 + 5x − 8) + (5x^2 − 13x − 5)

Answer 10

8 x^2 - 8 x - 13

Answer 11

Simplify the expression (2x − 9)(x + 6).

Answer 12

2x^2 +6x - 9 x - 54

2x^2 - 3x - 54

Answer 13

Simplify the expression 4x(2x^2 − 7x + 3).

Answer 14

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Answer 15

8x^3 - 28 x^2 + 12x